Home / 85,535.43-118,034.11-47,292.75

Finding the Fourth Proportional to 85,535.43, 118,034.11 and 47,292.75

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Solution

The fourth proportional to 85,535.43, 118,034.11 and 47,292.75 is: 65,261.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,535.43 : 118,034.11 = 47,292.75 : x
  2. Step 2: Convert to fraction form
    85,535.43/118,034.11 = 47,292.75/x
  3. Step 3: Cross multiply
    85,535.43x = 118,034.11 × 47,292.75
  4. Step 4: Simplify right side
    85,535.43x = 5,582,157,655.70
  5. Step 5: Solve for x
    x = 5,582,157,655.70/85,535.43
  6. Step 6: Final answer
    x = 65,261.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.